353168720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 838941840

約数和(自身を除く): 485773120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 109, 202, 218, 401, 404, 436, 505, 545, 802, 808, 872, 1010, 1090, 1604, 1616, 1744, 2005, 2020, 2180, 3208, 4010, 4040, 4360, 6416, 8020, 8080, 8720, 11009, 16040, 22018, 32080, 40501, 43709, 44036, 55045, 81002, 87418, 88072, 110090, 162004, 174836, 176144, 202505, 218545, 220180, 324008, 349672, 405010, 437090, 440360, 648016, 699344, 810020, 874180, 880720, 1620040, 1748360, 3240080, 3496720, 4414609, 8829218, 17658436, 22073045, 35316872, 44146090, 70633744, 88292180, 176584360, 353168720]

約数ペア:

[(1, 353168720), (2, 176584360), (4, 88292180), (5, 70633744), (8, 44146090), (10, 35316872), (16, 22073045), (20, 17658436), (40, 8829218), (80, 4414609), (101, 3496720), (109, 3240080), (202, 1748360), (218, 1620040), (401, 880720), (404, 874180), (436, 810020), (505, 699344), (545, 648016), (802, 440360), (808, 437090), (872, 405010), (1010, 349672), (1090, 324008), (1604, 220180), (1616, 218545), (1744, 202505), (2005, 176144), (2020, 174836), (2180, 162004), (3208, 110090), (4010, 88072), (4040, 87418), (4360, 81002), (6416, 55045), (8020, 44036), (8080, 43709), (8720, 40501), (11009, 32080), (16040, 22018)]